Acid orange 7

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Acid orange 7
Skeletal formula of acid orange 7
Ball-and-stick model of the component ions of acid orange 7
Names
IUPAC name
sodium 4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate
Other names
2-naphthol orange, Orange II, CI 15510, D&C Orange 4, COLIPA C015
Identifiers
3D model (Jmol)
ChemSpider
ECHA InfoCard 100.010.182
UNII
Properties
C16H11N2NaO4S (sodium salt)
Molar mass 350.32 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Acid orange 7, also known as 2-naphthol orange and Orange II, is a dye.[1]

Produced by coupling reaction between 2-Naphthol, or β-naphthol and diazonium compound of sulfanilic acid.

References[edit]